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Front Door / The Investigative Desk / Chain of Custody
Flagshipchain-of-custodyDemo · payment-dark
Chain of Custody
Built for The Investigative Desk · Field reporting, sourcing and verification
A reporter's evidence workbench: cryptographic timestamping on every source document and note, provably untampered.
4
Cases
0
Items logged
0
Custody events
SHA-256
Hash · append-only
Cross-device sync · off by default
Cases
Evidence drop — Operation Clearwater
Drop any real file from your device. It is hashed with SHA-256 in your browser — the bytes never leave this device — and gets an instant, signed custody receipt you can re-verify or hand to a lawyer.
No receipt yet. Drop a file above to issue your first signed custody receipt.
A receipt's Verify link opens a standalone page that recomputes the seal from the published key
AF-SUMMIT-COC-PUBLIC-KEY-v1 — anyone can confirm it offline, with no trust in this app. Open the independent verifier →Verification console
# chain-of-custody · verification console
# every custody event is hash-chained: h(n) = SHA-256( h(n-1) + entry ).
# alter any past entry and every later hash breaks. all computed locally —
# no file content ever leaves your device.
# select an item, then run a tamper check or verify the full ledger.
Showcase demo for the Born Between 2 Generals summit. Showcase · best home: Nonprofit / LLC tooling. Seeded with realistic sample data; runs payment-dark (no billing). Not a production system.